Open WebUI: Model meta.knowledge read-only file access can be upgraded to file write/delete

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Summary

CVECVE-2026-59212
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-07-09 17:17:01 UTC
Updated2026-07-10 19:59:36 UTC
DescriptionOpen WebUI is an extensible, feature-rich, and user-friendly self-hosted AI platform. From 0.9.6 before 0.10.0, _verify_knowledge_file_access only checked read access while file write and delete routes later trusted object-derived access through writable model meta.knowledge entries, allowing a user with read-only knowledge file access to upgrade to file write or delete operations. This issue is fixed in version 0.10.0.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

EPSS: 0.003030000 probability, percentile 0.220950000 (date 2026-07-10)

Problem Types: CWE-863 | CWE-863 CWE-863: Incorrect Authorization

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
3.1CNADECLARED5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Openwebui Open Webui 0.9.6 All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Open-webui Open-webui affected >= 0.9.6, < 0.10.0 Not specified

References

ReferenceSourceLinkTags
github.com/open-webui/open-webui/commit/17df0264929514599dbcb21c6578bcdf... [email protected] github.com Patch
github.com/open-webui/open-webui/releases/tag/v0.10.0 [email protected] github.com Product, Release Notes
github.com/open-webui/open-webui/pull/26032 [email protected] github.com Issue Tracking, Patch
github.com/open-webui/open-webui/security/advisories/GHSA-2xwm-4h2q-ggfx [email protected] github.com Exploit, Mitigation, Vendor Advisory
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